Yg-1 Tool Company Solid Carbide Drills, DREAM DRILL-SOFT 5xD without Coolant Hole, DPPA01100, D=10 L=89

YG-1 Solid Carbide Drills, DREAM DRILL-SOFT 5xD without Coolant Hole, DPPA01100, D=10 L=89   EDP No. D1 D2 L1 L2 Drilling Depth DPPA01100 10 10 53 89 5xD  (Unit : mm)   Feature   ▶ Drilling for Non-alloy Steel, Low Alloy Steel and Cast Iron. ▶ Lip straight shape cutting edge will allow low thrust, strong rigidity and stable torque. ▶ Unique radius thinning for self-centering and chip breaking ▶ Negative land on the cutting edge for reliable tool life   Work Material ISO VDI 3323 Material Description Composition / Structure / Heat Treatment HB HR ◎ : Excellent ○ : Good P 1 Non-alloy steel About 0.15% C            Annealed 125 2 About 0.45% C            Annealed 190 13 ◎ 3 About 0.45% C            Quenched & Tempered 250 25 ○ 4 About 0.75% C            Annealed 270 28 5 About 0.75% C            Quenched & Tempered 300 32 6 Low alloy steel Annealed 180 10 ◎ 7 Quenched & Tempered 275 29 ○ 8 Quenched & Tempered 300 32 9 Quenched & T